4x(3x+1)-6x(2x-5)=2021
3x+1+x²-6x
2x.(3x-1)-6x.(x+1)-(3-8x)
(2x-3).(4x^2+6x+9) em cần gấp ạ
GIAI PT 6x^4 +25x^3+12x^2 -25x +6=0
6x^n(x^2-1)+2x(3x^n-1+1)
3x^n(4x^n-1)-2x^n+1(6x^n-2-1) =
tìm x biết
10+3x=6x-3
Tìm x
(3x-3)(5-21x)+(7x+4)(6x-5)=45